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. 2019 Feb 22;20(4):969. doi: 10.3390/ijms20040969

Figure 8.

Figure 8

The influence of Si supply on transcriptional regulation of DELLAs proteins and JA biosynthetic pathway in maize plants subjected to Mg deficiency. (A) Relative expression of ZmAOS1 in roots, (B) relative expression of ZmOPR1 in roots, (C) relative expression of ZmAOS1 in shoots, (D) relative expression of ZmSLN1-like in shoots, (E) relative expression of ZmD9 in shoots of maize. Plants were grown in hydroponic culture under low Mg (0.02 mM) or under normal Mg (0.5 mM) supply and two concentrations of Si (1.5 and 3 mM). Si provided in the second week of plant growth in the hydroponic culture when Mg deficiency was applied. 21-days old plants were harvested 14 days after imposition of Mg deficiency. The white and black bars represent Mg-sufficient and Mg-deficient plants, respectively. Bars indicate means ± SE. Different letters denote significant differences according to LSD test (p < 0.05; n = 4).